Toy construction block



FIG. 1 is a side elevational view of a toy construction block showing my new design, the side opposite being identical;

FIG. 2 is a front elevational view thereof, the side opposite being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a cross-sectional view thereof taken along line IV--IV in FIG. 2. 

The ornamental design for a toy construction block, substantially as shown. 